package com.stadium.common.utils;

import io.micrometer.core.instrument.util.StringUtils;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;

/**
 * @program: smartgame-rugby
 * @description:
 * @author: firstSeven
 * @create: 2020/03/02
 */
@Component
public class HttpRequestUtils {

    //获取IP
    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("X-Forwarded-For");
        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            //多次反向代理后会有多个ip值，第一个ip才是真实ip
            int index = ip.indexOf(",");
            if (index != -1) {
                return ip.substring(0, index);
            } else {
                return ip;
            }
        }
        ip = request.getHeader("X-Real-IP");
        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            return ip;
        }
        return request.getRemoteAddr();
    }
}
